The upper percentiles also get the benefit on investment income, which your typical median income person will not benefit from as drastically... especially given the growth of the market. So, that will always have a impact with you start looking at income levels rising across population segments. That isn't a bad thing, just simple facts. Also, the article clearly states that the figures are all PRE-TAX numbers, which don't take into account the Trump tax cuts... which regardless of what you bleeding heart liberals want to try to spin it as, they have impacted the middle-class greatly.